drivers: cache: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/drivers/cache/cache-l2x0.c b/drivers/cache/cache-l2x0.c
index c7bdd9d..8b29af4 100644
--- a/drivers/cache/cache-l2x0.c
+++ b/drivers/cache/cache-l2x0.c
@@ -62,7 +62,6 @@
 	return 0;
 }
 
-
 static const struct udevice_id l2x0_ids[] = {
 	{ .compatible = "arm,pl310-cache" },
 	{}
diff --git a/drivers/cache/sandbox_cache.c b/drivers/cache/sandbox_cache.c
index 2e20b83..375892f 100644
--- a/drivers/cache/sandbox_cache.c
+++ b/drivers/cache/sandbox_cache.c
@@ -27,7 +27,6 @@
 	return 0;
 }
 
-
 static const struct cache_ops sandbox_cache_ops = {
 	.get_info	= sandbox_get_info,
 	.enable		= sandbox_enable,